This study, published in Nature, sheds light on the evolutionary precursors to multicellularity. The earliest life forms on ...

"It's not until around the [19]40s where genetic evidence actually clarified where birds sit [on the tree of life]," ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

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